Home / 13,146.15-19,701.14-5,756.79

Finding the Fourth Proportional to 13,146.15, 19,701.14 and 5,756.79

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Solution

The fourth proportional to 13,146.15, 19,701.14 and 5,756.79 is: 8,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.15 : 19,701.14 = 5,756.79 : x
  2. Step 2: Convert to fraction form
    13,146.15/19,701.14 = 5,756.79/x
  3. Step 3: Cross multiply
    13,146.15x = 19,701.14 × 5,756.79
  4. Step 4: Simplify right side
    13,146.15x = 113,415,296.96
  5. Step 5: Solve for x
    x = 113,415,296.96/13,146.15
  6. Step 6: Final answer
    x = 8,627.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.